Our results indicated that three functional polymorphisms (rs2297136, rs4143815 and rs17718883) of the PD-L1 gene were associated with HCC risk and prognosis, suggesting that genetic variants of PD-L1 polymorphisms might be a possible prognostic marker for the prediction of HCC risk and development.
Data revealed that the rs2297136 (C > T) SNP TT (p = 0.03) and rs4143815 (C > G) SNP GG genotypes (p < 0.001) were associated with significantly increased risks of HCC.
No association was found between rs2890658 (A > C) SNP and HCC risk and this risk was significantly decreased in individuals with the rs17718883 SNP CG + GG genotype (p < 0.001).
Our results indicated that three functional polymorphisms (rs2297136, rs4143815 and rs17718883) of the PD-L1 gene were associated with HCC risk and prognosis, suggesting that genetic variants of PD-L1 polymorphisms might be a possible prognostic marker for the prediction of HCC risk and development.